package com.uzykj.mall.controller.fore;


import com.uzykj.mall.util.pay.AlipayConfig;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;

@Controller
@RequestMapping("/pay")
public class PayController {
    final static Logger log = Logger.getLogger(PayController.class);

    /**
     * @Title: AlipayController.java
     * @Package com.sihai.controller
     * @Description: 前往支付宝第三方网关进行支付
     * Copyright: Copyright (c) 2017
     * Company:FURUIBOKE.SCIENCE.AND.TECHNOLOGY
     * @author sihai
     * @date 2017年8月23日 下午8:50:43
     * @version V1.0
     */
    @RequestMapping(value = "/goAlipay", produces = "text/html; charset=UTF-8")
    @ResponseBody
    public String goAlipay(HttpServletRequest request, HttpServletRequest response) throws Exception {

        String orderNum = request.getParameter("orderNum");
        String orderName = request.getParameter("orderName");
        String orderPrice = request.getParameter("orderPrice");
        String returnUrl = "http://localhost:8080/Umall/order/pay";
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(returnUrl);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = orderNum;
        //付款金额，必填
        String total_amount = orderPrice;
        //订单名称，必填
        String subject = orderName;

        // 该笔订单允许的最晚付款时间，逾期将关闭交易。取值范围：1m～15d。m-分钟，h-小时，d-天，1c-当天（1c-当天的情况下，无论交易何时创建，都在0点关闭）。 该参数数值不接受小数点， 如 1.5h，可转换为 90m。
        String timeout_express = "1c";

        alipayRequest.setBizContent("{\"out_trade_no\":\"" + out_trade_no + "\","
                + "\"total_amount\":\"" + total_amount + "\","
                + "\"subject\":\"" + subject + "\","
                + "\"timeout_express\":\"" + timeout_express + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        return result;
    }

}
